Expanding sleeve for standing valves.



D. DANIELS & L. P. BURGESS. EXPANDING SLEEVE FOR STANDING VALVES.

APPLICATION FILED MAR. 25, 1912.

Patented Sept. 24, 1912.

HAN x.

i fmt UNITED STATES PATENT OFFICE.

DANIEL DANIELS AND LYSLE P. BURGESS, F LOS ANGELES, CALIFORNIA.

EXPNDING SLEEVE FOR STANDING VALVES..

Specieation of Letters Patent.

Application filed March 25, 1912. Serial No. 686,177.

To all whom it may concern.'

Be it known that we,DAN1nL DANrnLs and Li'sLn P. BURGEIss, citizens ofthe United States, residing at Los Angeles, in the county of Los Angelesand State of California, have invented a new and useful Expanding Sleevefor Standing Valves, of which the following is a specification.

This invention relates to means for holding in position the standingvalves for working barrels of well pumps.

In oil and water well pumps it is usual to provide a sleeve on the bodyof the standing Yalve which is intended to fit within the shoe of theworking barrel, so as to support the standing` valve in position andgive a. water tight joint. Such sleeves are formed in their final 'shapebefore insertion in the barrel and as the recesses for receiving same inthe woilrinfrbarrel unavoidably vary to some extent, the sleeves rarelyfit with any degree of tightness, so that a water, oil or gas tightjoint is not provided. Moreover, the wear on the sleeve causes a.continual loosening thereof so that it becomes less and less tight.

The main object of the present invention to provide a sleeve which willbe expanded against its seat or recess so that an absolutely tight jointis formed and the standing` valve is held rigidly in position.

Other objects of the invention will appear hereinafter.

The accompanying' drawings illustrate an embodiment of the invention,and referring thereto: Figure 1 is a vertical section of the standingvalve, showing the position of the sleeve and the expansion thereof.Fig. 2 is a similar view showing the sleeve in expanded condition. Fig.is a section on line a3-m3 in Fig. 1. Fig. 4 isa side elevation of thesleeve and the sliding stop ring therefor, and the valve body `showingthe application to the valve body of a gas trap in place of a lock nut.Fig. 5 is a. vertical section of a working barrel showing the standingvalve in position therein.

1 designates the outer casing of a working barrel which is screwed intoa shoeQ adapted to receive the standing valve. Said shoe is tubular andprovided with a cylindrical recess and with a frusto conical or tapereddownward extension i from said recess 3. A sliding ring 5 is adapted toseat on the taper portion s*- of the recess and serve as a stop for theexpansion ring. The sleeve 6 may be cylindrical onits outer face and isdownwardly tapering or conical on its inner face to fittacorrespondingly tapering portion T of the valve'body 8. Said sleeve 6 isof Babbitt or other suitable metal or material expansible or deformableunder heavy pressure but of sufficient rigidity to withstand the strainsoccurring in operation. Said valve body is tubular and is provided atits upper end with a screw-threaded por-V tion 9 to receive and engagethe cage 10 for holding the valve ball 11 in position. The lower end ofthe valve body is provided with a downward extension 12 somewhat smallerin diameter than the small'end of the tapering portion 7 andscrew-threaded as at 13 to receive a nut 14;. A lock n-ut 15 may bescrewed on the valve body `below the nut 14, or if desired, a section ofpipe as indicated at 1G in Fig. 4, may be screwed on in place of saidlock nut to serve as a gas trap. The ring 5 is recessed as at 5 topermit downward passage of the taper portion 7 of the valve bodythereinto in the expanding operation.

ln assembling the parts the sleeve 6 is slipped over the valve body andonto the taper portion 7 thereof, and the sliding ring` 5 is thenslipped over the valve body to rest against the lower end of said sleeve6. Nut 14 is then screwed onto the valve body to retain the ring 5inposition on the valve body and the nut 15 or gas trap 1G then screwed inposition. The valve body is then inserted within the shoe Q with thetapering face of the ring 5 resting against the tapering seat 1. forminga positive stop for the sleeve 6. On subsequently bringing pressure onthe valve, for example, inthe manner hereinafter set forth, so as toforce the valve body 8 downwardly, the taper portion` 7 thereof expandsthe sleeve 6 so as to force the same into tight contact with the wall ofthe recess 3 to secure the valve firmly in position and make 'anabsolutely iiuid tight joint.

In practice the standing valve is seated in position after the workingbarrel is in place in the well. The working barrel 1 having been loweredinto position the standing valve is lowered thereinto, said valve beingsuspended from the plunger 18 by the usual rod 19, see Fig. 5, and saidplunger being lowered into position by the usual sucker rod, not shown.AThe standing valve first seats inte the shoe by engagement of PatentedSept. 24, l191,2.

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2 noaa-ase the tapering ring 4: with the tapering seat 5 on the shoe,this giving a positive outside seat for .the valve. The sucker rod andplunger are then allowed to drop, driving the valve home and expandingthe sleeve 6 to give a tight and rigid connection. 1When it is desiredto dislodge the standing valve it is only necessary to pull up onthesucker rod so as to cause the rod 19 to be lifted by engagement of ahead 19 thereon with the lower end of the plunger, thereby jarring thetapering portion 7 of the valve body out of tight engagement with theexpansion sleeve G, and 'also jarring said sleeve out of the recess inthe shoe, whereupon the standing valve may be raised out of the workingbarrel.

What we claim is:

l. The combination With the shoe of a working barrel havinga taperingrecess and provided with an upward extension from said tapering recess,a sliding ring having a tapering face adapted to seat in said recess, anexpansion sleeve oit deformable metal above said ring, and a standingvalve body extending through said ring and sleeve and having a taperingportion. for engaging said sleeve to expand the same.

- 2. rl`he combination with the shoe of a Working barrel havingatapering recess and provided with an upward extension from saidtapering recess, a sliding ring having a tapering face adapted to seatin said recess, an expansion sleeve of deformable metal above said ring,a standing valve body extending through said ring and sleeve and havinga tapering portion for engaging said sleeve to expand the same, andmeans on the lower end of said valve body for enga-ging the taperingring to hold the same in position while the valve is being inserted.

In testimony whereof, we have `hereunto set our hands at Los Angeles,California this 7th day of March, 1912 DANIEL DANELS, LYSLE P. BURGESS.

ln presence off- ARTHUR P. KNIGHT, GLADYS RUSSELL.

